Manuals / Carrier / Household Appliance / Heating System

Carrier 48HJ015-025 installation instructions Ð Typical Wiring Schematic 48HJ025 Shown

Models: 48HJ015-025

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Fig. 38 Ð Typical Wiring Schematic (48HJ025 Shown)

Fig. 38 Ð Typical Wiring Schematic (48HJ025 Shown)

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Image 24

Carrier 48HJ015-025 installation instructions Ð Typical Wiring Schematic 48HJ025 Shown

Contents

Installation Instructions CONTENTSSAFETY CONSIDERATIONS INSTALLATION Step 1 Ð Provide Unit SupportACCESSORY Fig. 1 Ð Roof Curb and Horizontal Adapter DetailsCURB DESCRIPTIONDimension A Fig. 2 Ð Horizontal Supply/Return Curband Horizontal Adapter Details Instructions continued on pageTable 1 Ð Physical Data Fig. 4 Ð Base Unit Dimensions, 48HJ015,017 Fig. 5 Ð Base Unit Dimensions, 48HJ025 Fig. 6 Ð Air Distribution Ð Through-the-Bottom 48HJ017 and 025 ShownFig. 7 Ð Concentric Duct Air Distribution 48HJ017 and 025 ShownFig. 10 Ð Combustion Fan Housing Location Fig. 11 Ð Condensate Drain DetailsFig. 12 Ð Condensate Drain Piping Details Fig. 13 Ð Field Gas PipingStep 8 Ð Make Electrical Connections Fig. 14 Ð Field Power Wiring ConnectionsTable 2 Ð Electrical Data Step 9 Ð Make Outdoor-AirInlet Adjustments Fig. 15 Ð Field Control Thermostat WiringFig. 16 Ð 25% Outdoor-AirSection Details Fig. 17 Ð Economizer Damper Assembly Ð End View Fig. 19 Ð Economizer Motor ControlModule Location Fig. 20 Ð Outdoor-AirHood Component LocationSTART-UP AIRFLOW AIRFLOW Table 4 Ð Fan Performance Data, 48HJ017 Units Fig. 24 Ð Fan Performance Using Accessory Power ExhaustTable 5 Ð Fan Performance Data, 48HJ025 Units Table 6 Ð Air Quantity LimitsBase Unit Operation Fig. 25 Ð Typical Gas Heating Section 48HJE015, 48HJE017, and 48HJD025 ShownFig. 26 Ð Typical Heating Section With Main Burners RemovedFig. 28 Ð Evaporator-FanAlignment and Adjustment Fig. 29 Ð 48HJ015 Evaporator-Fan Motor AdjustmentEvaporator Fan, 48HJ015 Units Evaporator Fan, 48HJ017,025 UnitsBelt Tension Adjustment Ð To adjust belt tension Condenser-FanAdjustmentMotor Section Fig. 31 Ð Condenser Fan Adjustment 48HJ015,017 Fig. 32 Ð Condenser-FanAdjustmentTable 8 Ð Economizer Checkout Procedures Table 9 Ð High and Low Outdoor-AirTemperatureFig. 33 Ð Cooling Charging Chart, 48HJ015 Pilot Adjustment Gas Valve AdjustmentFig. 34 Ð Cooling Charging Chart, 48HJ017 Fig. 35 Ð Cooling Charging Chart, 48HJ025Protective Devices Fig. 38 Ð Typical Wiring Schematic 48HJ025 Shown Page Page LEGEND FOR FIG. 38 and Page Page PACKAGED SERVICE TRAINING Page START-UPCHECKLIST TEMPERATURESELECTRICAL PRESSURES